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Title
Change Order/Amendment No. 3 with Modern Contractors in the amount of $42,862 for AT&T conduit work, electrical panel revisions, pavement elimination, sewer line replacement, steel deck gauge change, door hardware changes, water line deletion, surveying, additional concrete parking thickness, grade beam detail changes and added mezzanine support at the City Service Center located at SH 161 & Marshall Drive
Presenter
Andy Henning, Senior Building and Construction Project Manager
Recommended Action
Approve
Analysis
On December 13, 2016 the City Council awarded the Construction Manager at Risk (CMAR) contract to Modern Contractors for pre-construction services in the amount of $1000. This award provided for CMAR services including development of project estimates, preliminary construction schedules, value engineering proposals and constructability review during the Design Phase.
The current Change Order/Amendment No. 3 in the amount of $42,862 is divided as follows:
1. $12,450 for 4” PVC conduit for rerouting of AT&T line into IT room
2. $5,820 for refeeding of electrical panel W required to facilitate new construction
3. -$5,722 for removal of TXDOT approach from new concrete paving scope of work
4. $4,798 for replacement of collapsed sewer pipe from existing restrooms to main line
5. $2,070 for change of metal deck from 22 gauge to 20 gauge
6. $10,691 for door hardware changes required to coordinate with City security equipment
7. -$25,678 for deletion of water line loop around new service bay expansion
8. $708 for surveying time to provide layout of spot grades for City storage building planned
9. $15,397 for additional 2” thickness of concrete where lime stabilization was not possible
10. $13,228 for added grade beam connection details for entry canopy foundation design
11. $9,100 for additional joist, decking and concrete for mezzanine construction
Change Order/Amendment No. 2 in the amount of $81,261 is divided as follows:
1. $35,456 for delivery and setup of temporary office trailers for Fleet Services staff
2. $2,400 for flooring revisions from vinyl composition tile (VCT) to ceramic tile for durability and life cycle costs savings
3. $3,847 for site power pole demolition and removal of base foundations
4. $18,298 for demolition of an existing mezzanine due to code requirements prohibiting its continued use based on cost of improvements that would be necessary
5. $21,260 for change from Carrier mechanical units to Trane mechanical units in order to maintain City standards
Change Order/Amendment No. 1 in the amount of $5,945,577 was approved by City Council on September 5, 2017 (17-7105) for the balance of construction cost for additions and renovations to the Fleet Services Center; 5% contingency in the amount of $297,279; budget allowance of $400,000 for owner-provided furniture/fixtures/equipment (FF&E); $50,000 allowance for construction testing; $50,000 allowance for data/IT/security; plus a $75,000 allowance for temporary office trailer renovations and closeout/return for a total funding request in the amount of $6,817,856.
All items will be incorporated into the current Modern Contractors contract for a revised total contract amount of $6,070,700.
This item was taken to the Finance and Government Committee on February 2, 2018 for their review and recommendation for approval.
Financial Consideration
Funding for Change Order/Amendment No. 3 with Modern Contractors in the amount of $42,862 for AT&T conduit work, electrical panel revisions, pavement elimination, sewer line replacement, steel deck gauge change, door hardware changes, water line deletion, surveying, additional concrete parking thickness, grade beam detail changes and added mezzanine support at the City Service Center located at SH 161 & Marshall Drive, is available in the Municipal Facilities Capital Projects Fund (405090) WO #01502701-03 (General Service Center Phase I) contract contingency.